# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)

import pytest

from spack.main import SpackCommand
from spack.version import Version

versions = SpackCommand('versions')


def test_safe_only_versions():
    """Only test the safe versions of a package.
       (Using the deprecated command line argument)
    """
    versions('--safe-only', 'zlib')


def test_safe_versions():
    """Only test the safe versions of a package."""

    versions('--safe', 'zlib')


@pytest.mark.maybeslow
def test_remote_versions():
    """Test a package for which remote versions should be available."""

    versions('zlib')


@pytest.mark.maybeslow
def test_remote_versions_only():
    """Test a package for which remote versions should be available."""

    versions('--remote', 'zlib')


@pytest.mark.usefixtures('mock_packages')
def test_new_versions_only(monkeypatch):
    """Test a package for which new versions should be available."""
    from spack.pkg.builtin.mock.brillig import Brillig

    def mock_fetch_remote_versions(*args, **kwargs):
        mock_remote_versions = {
            # new version, we expect this to be in output:
            Version('99.99.99'): {},
            # some packages use '3.2' equivalently to '3.2.0'
            # thus '3.2.1' is considered to be a new version
            # and expected in the output also
            Version('3.2.1'): {},  # new version, we expect this to be in output
            Version('3.2'): {},
            Version('1.0.0'): {},
        }
        return mock_remote_versions
    mock_versions = {
        # already checksummed versions:
        Version('3.2'): {},
        Version('1.0.0'): {},
    }
    monkeypatch.setattr(Brillig, 'versions', mock_versions)
    monkeypatch.setattr(Brillig, 'fetch_remote_versions', mock_fetch_remote_versions)
    v = versions('--new', 'brillig')
    assert(v.strip(' \n\t') == "99.99.99\n  3.2.1")


@pytest.mark.maybeslow
def test_no_versions():
    """Test a package for which no remote versions are available."""

    versions('converge')


@pytest.mark.maybeslow
def test_no_unchecksummed_versions():
    """Test a package for which no unchecksummed versions are available."""

    versions('bzip2')


@pytest.mark.maybeslow
def test_versions_no_url():
    """Test a package with versions but without a ``url`` attribute."""

    versions('graphviz')


@pytest.mark.maybeslow
def test_no_versions_no_url():
    """Test a package without versions or a ``url`` attribute."""

    versions('opengl')
